| Plan Name | PDF SOLUTIONS, INC. 401(K) PLAN |
| Plan identification number | 001 |
| 401k Plan Type | Defined Contribution Pension |
| Plan Features/Benefits |
|
| Company Name: | PDF SOLUTIONS, INC. |
| Employer identification number (EIN): | 251701361 |
| NAIC Classification: | 541600 |
Additional information about PDF SOLUTIONS, INC.
| Jurisdiction of Incorporation: | Texas Secretary of State |
| Incorporation Date: | 2001-09-27 |
| Company Identification Number: | 0800015980 |
| Legal Registered Office Address: |
2858 DE LA CRUZ BLVD SANTA CLARA United States of America (USA) 95050 |
More information about PDF SOLUTIONS, INC.
| Plan id# | Filing Submission Date | Name of Administrator | Date Administrator Signed | Name of Company Sponsor | Date Sponsor Signed |
|---|---|---|---|---|---|
| 001 | 2024-01-01 | ADNAN RAZA | |||
| 001 | 2023-01-01 | ||||
| 001 | 2023-01-01 | ADNAN RAZA | |||
| 001 | 2022-01-01 | ||||
| 001 | 2022-01-01 | LORAN BARNETT | |||
| 001 | 2021-01-01 | ||||
| 001 | 2021-01-01 | LORAN BARNETT | |||
| 001 | 2020-01-01 | ||||
| 001 | 2019-01-01 | ||||
| 001 | 2018-01-01 | ||||
| 001 | 2017-01-01 | CHESCA MERAZ | |||
| 001 | 2016-01-01 | GREGORY WALKER | |||
| 001 | 2015-01-01 | GREGORY WALKER | |||
| 001 | 2014-01-01 | GREGORY WALKER | |||
| 001 | 2013-01-01 | GREGORY WALKER | |||
| 001 | 2012-01-01 | GREGORY WALKER | |||
| 001 | 2011-01-01 | GREGORY WALKER | |||
| 001 | 2010-01-01 | TERRE DIXON | |||
| 001 | 2009-01-01 | JOY LEO | |||
| 001 | 2009-01-01 | JOY LEO | 2010-09-28 |
| Measure | Date | Value |
|---|---|---|
| 2023 : PDF SOLUTIONS, INC. 401(K) PLAN 2023 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2023-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $0 |
| Total transfer of assets to this plan | 2023-12-31 | $0 |
| Total transfer of assets from this plan | 2023-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Expenses. Interest paid | 2023-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2023-12-31 | $0 |
| Total income from all sources (including contributions) | 2023-12-31 | $19,378,025 |
| Total loss/gain on sale of assets | 2023-12-31 | $0 |
| Total of all expenses incurred | 2023-12-31 | $1,913,128 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $1,874,209 |
| Expenses. Certain deemed distributions of participant loans | 2023-12-31 | $0 |
| Value of total corrective distributions | 2023-12-31 | $388 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $6,700,204 |
| Value of total assets at end of year | 2023-12-31 | $74,289,223 |
| Value of total assets at beginning of year | 2023-12-31 | $56,824,326 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $38,531 |
| Total income from rents | 2023-12-31 | $0 |
| Total interest from all sources | 2023-12-31 | $183,758 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $1,313,229 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $1,313,229 |
| Assets. Real estate other than employer real property at end of year | 2023-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2023-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2023-12-31 | Yes |
| Value of fidelity bond cover | 2023-12-31 | $5,000,000 |
| If this is an individual account plan, was there a blackout period | 2023-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | No |
| Contributions received from participants | 2023-12-31 | $4,933,042 |
| Participant contributions at end of year | 2023-12-31 | $128,446 |
| Participant contributions at beginning of year | 2023-12-31 | $135,222 |
| Participant contributions at end of year | 2023-12-31 | $0 |
| Participant contributions at beginning of year | 2023-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2023-12-31 | $161,784 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2023-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $0 |
| Other income not declared elsewhere | 2023-12-31 | $0 |
| Administrative expenses (other) incurred | 2023-12-31 | $0 |
| Liabilities. Value of operating payables at end of year | 2023-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2023-12-31 | $0 |
| Total non interest bearing cash at end of year | 2023-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Income. Non cash contributions | 2023-12-31 | $0 |
| Value of net income/loss | 2023-12-31 | $17,464,897 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $74,289,223 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $56,824,326 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2023-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2023-12-31 | $0 |
| Investment advisory and management fees | 2023-12-31 | $10,166 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $70,551,912 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $53,203,917 |
| Value of interest in pooled separate accounts at end of year | 2023-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2023-12-31 | $0 |
| Interest on participant loans | 2023-12-31 | $8,021 |
| Income. Interest from loans (other than to participants) | 2023-12-31 | $0 |
| Interest earned on other investments | 2023-12-31 | $0 |
| Income. Interest from US Government securities | 2023-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2023-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2023-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $3,608,865 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $3,485,187 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $3,485,187 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $175,737 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2023-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2023-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-12-31 | $0 |
| Asset value of US Government securities at end of year | 2023-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $11,180,834 |
| Net investment gain/loss from pooled separate accounts | 2023-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2023-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2023-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-12-31 | No |
| Assets. Invements in employer securities at end of year | 2023-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2023-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2023-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2023-12-31 | $0 |
| Contributions received in cash from employer | 2023-12-31 | $1,605,378 |
| Employer contributions (assets) at end of year | 2023-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2023-12-31 | $0 |
| Income. Dividends from preferred stock | 2023-12-31 | $0 |
| Income. Dividends from common stock | 2023-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-12-31 | $1,874,209 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $0 |
| Contract administrator fees | 2023-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2023-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2023-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2023-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2023-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2023-12-31 | $0 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-12-31 | No |
| Aggregate proceeds on sale of assets | 2023-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2023-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2023-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2023-12-31 | Unqualified |
| Accountancy firm name | 2023-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2023-12-31 | 941341042 |
| Unrealized appreciation/depreciation of real estate assets | 2023-01-01 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $0 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $0 |
| Total transfer of assets to this plan | 2023-01-01 | $0 |
| Total transfer of assets from this plan | 2023-01-01 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total income from all sources (including contributions) | 2023-01-01 | $19,378,025 |
| Total loss/gain on sale of assets | 2023-01-01 | $0 |
| Total of all expenses incurred | 2023-01-01 | $1,913,128 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-01-01 | $1,874,209 |
| Expenses. Certain deemed distributions of participant loans | 2023-01-01 | $0 |
| Value of total corrective distributions | 2023-01-01 | $388 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-01-01 | $6,700,204 |
| Value of total assets at end of year | 2023-01-01 | $74,289,223 |
| Value of total assets at beginning of year | 2023-01-01 | $56,824,326 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $38,531 |
| Total income from rents | 2023-01-01 | $0 |
| Total interest from all sources | 2023-01-01 | $183,758 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $1,313,229 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-01-01 | $1,313,229 |
| Assets. Real estate other than employer real property at end of year | 2023-01-01 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2023-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-01-01 | $0 |
| Was this plan covered by a fidelity bond | 2023-01-01 | Yes |
| Value of fidelity bond cover | 2023-01-01 | $5,000,000 |
| If this is an individual account plan, was there a blackout period | 2023-01-01 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2023-01-01 | No |
| Contributions received from participants | 2023-01-01 | $4,933,042 |
| Participant contributions at end of year | 2023-01-01 | $128,446 |
| Participant contributions at beginning of year | 2023-01-01 | $135,222 |
| Participant contributions at end of year | 2023-01-01 | $0 |
| Participant contributions at beginning of year | 2023-01-01 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2023-01-01 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2023-01-01 | $161,784 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $0 |
| Assets. Loans (other than to participants) at end of year | 2023-01-01 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2023-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $0 |
| Other income not declared elsewhere | 2023-01-01 | $0 |
| Administrative expenses (other) incurred | 2023-01-01 | $0 |
| Liabilities. Value of operating payables at end of year | 2023-01-01 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2023-01-01 | $0 |
| Total non interest bearing cash at end of year | 2023-01-01 | $0 |
| Total non interest bearing cash at beginning of year | 2023-01-01 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Income. Non cash contributions | 2023-01-01 | $0 |
| Value of net income/loss | 2023-01-01 | $17,464,897 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $74,289,223 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $56,824,326 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2023-01-01 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2023-01-01 | $0 |
| Investment advisory and management fees | 2023-01-01 | $10,166 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-01-01 | $70,551,912 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-01-01 | $53,203,917 |
| Value of interest in pooled separate accounts at end of year | 2023-01-01 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2023-01-01 | $0 |
| Interest on participant loans | 2023-01-01 | $8,021 |
| Income. Interest from loans (other than to participants) | 2023-01-01 | $0 |
| Interest earned on other investments | 2023-01-01 | $0 |
| Income. Interest from US Government securities | 2023-01-01 | $0 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $0 |
| Value of interest in master investment trust accounts at end of year | 2023-01-01 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2023-01-01 | $0 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $3,608,865 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $175,737 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2023-01-01 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2023-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2023-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2023-01-01 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-01-01 | $0 |
| Asset value of US Government securities at end of year | 2023-01-01 | $0 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-01-01 | $11,180,834 |
| Net investment gain/loss from pooled separate accounts | 2023-01-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $0 |
| Net gain/loss from 103.12 investment entities | 2023-01-01 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-01-01 | No |
| Was there a failure to transmit to the plan any participant contributions | 2023-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-01-01 | No |
| Assets. Invements in employer securities at end of year | 2023-01-01 | $0 |
| Assets. Invements in employer securities at beginning of year | 2023-01-01 | $0 |
| Assets. Value of employer real property at end of year | 2023-01-01 | $0 |
| Assets. Value of employer real property at beginning of year | 2023-01-01 | $0 |
| Contributions received in cash from employer | 2023-01-01 | $1,605,378 |
| Employer contributions (assets) at end of year | 2023-01-01 | $0 |
| Employer contributions (assets) at beginning of year | 2023-01-01 | $0 |
| Income. Dividends from preferred stock | 2023-01-01 | $0 |
| Income. Dividends from common stock | 2023-01-01 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-01-01 | $1,874,209 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $0 |
| Contract administrator fees | 2023-01-01 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2023-01-01 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-01-01 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-01-01 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2023-01-01 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2023-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2023-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2023-01-01 | $0 |
| Did the plan have assets held for investment | 2023-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-01-01 | No |
| Aggregate proceeds on sale of assets | 2023-01-01 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2023-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2023-01-01 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2023-01-01 | 1 |
| Accountancy firm name | 2023-01-01 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2023-01-01 | 941341042 |
| 2022 : PDF SOLUTIONS, INC. 401(K) PLAN 2022 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2022-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $0 |
| Total transfer of assets to this plan | 2022-12-31 | $0 |
| Total transfer of assets from this plan | 2022-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Expenses. Interest paid | 2022-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2022-12-31 | $0 |
| Total income from all sources (including contributions) | 2022-12-31 | $-7,086,939 |
| Total loss/gain on sale of assets | 2022-12-31 | $0 |
| Total of all expenses incurred | 2022-12-31 | $3,286,582 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $3,264,415 |
| Expenses. Certain deemed distributions of participant loans | 2022-12-31 | $-22,743 |
| Value of total corrective distributions | 2022-12-31 | $9,309 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $6,016,302 |
| Value of total assets at end of year | 2022-12-31 | $56,824,326 |
| Value of total assets at beginning of year | 2022-12-31 | $67,197,847 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $35,601 |
| Total income from rents | 2022-12-31 | $0 |
| Total interest from all sources | 2022-12-31 | $59,521 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $1,725,602 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $1,725,602 |
| Assets. Real estate other than employer real property at end of year | 2022-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2022-12-31 | Yes |
| Value of fidelity bond cover | 2022-12-31 | $5,000,000 |
| If this is an individual account plan, was there a blackout period | 2022-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Contributions received from participants | 2022-12-31 | $4,509,755 |
| Participant contributions at end of year | 2022-12-31 | $135,222 |
| Participant contributions at beginning of year | 2022-12-31 | $100,212 |
| Participant contributions at end of year | 2022-12-31 | $0 |
| Participant contributions at beginning of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-12-31 | $201,870 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2022-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2022-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2022-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $0 |
| Other income not declared elsewhere | 2022-12-31 | $0 |
| Administrative expenses (other) incurred | 2022-12-31 | $27,971 |
| Liabilities. Value of operating payables at end of year | 2022-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2022-12-31 | $0 |
| Total non interest bearing cash at end of year | 2022-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Income. Non cash contributions | 2022-12-31 | $0 |
| Value of net income/loss | 2022-12-31 | $-10,373,521 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $56,824,326 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $67,197,847 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2022-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2022-12-31 | $0 |
| Investment advisory and management fees | 2022-12-31 | $7,630 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $53,203,917 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $64,394,860 |
| Value of interest in pooled separate accounts at end of year | 2022-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2022-12-31 | $0 |
| Interest on participant loans | 2022-12-31 | $5,457 |
| Income. Interest from loans (other than to participants) | 2022-12-31 | $0 |
| Interest earned on other investments | 2022-12-31 | $0 |
| Income. Interest from US Government securities | 2022-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2022-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2022-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $3,485,187 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $2,702,775 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $2,702,775 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $54,064 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2022-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-12-31 | $0 |
| Asset value of US Government securities at end of year | 2022-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-14,888,364 |
| Net investment gain/loss from pooled separate accounts | 2022-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2022-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2022-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-12-31 | No |
| Assets. Invements in employer securities at end of year | 2022-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2022-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2022-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2022-12-31 | $0 |
| Contributions received in cash from employer | 2022-12-31 | $1,304,677 |
| Employer contributions (assets) at end of year | 2022-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2022-12-31 | $0 |
| Income. Dividends from preferred stock | 2022-12-31 | $0 |
| Income. Dividends from common stock | 2022-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-12-31 | $3,264,415 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $0 |
| Contract administrator fees | 2022-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2022-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2022-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2022-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2022-12-31 | $0 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-12-31 | No |
| Aggregate proceeds on sale of assets | 2022-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2022-12-31 | Unqualified |
| Accountancy firm name | 2022-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2022-12-31 | 941341042 |
| Unrealized appreciation/depreciation of real estate assets | 2022-01-01 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $0 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $0 |
| Total transfer of assets to this plan | 2022-01-01 | $0 |
| Total transfer of assets from this plan | 2022-01-01 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $0 |
| Total income from all sources (including contributions) | 2022-01-01 | $-7,086,939 |
| Total loss/gain on sale of assets | 2022-01-01 | $0 |
| Total of all expenses incurred | 2022-01-01 | $3,286,582 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-01-01 | $3,264,415 |
| Expenses. Certain deemed distributions of participant loans | 2022-01-01 | $-22,743 |
| Value of total corrective distributions | 2022-01-01 | $9,309 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-01-01 | $6,016,302 |
| Value of total assets at end of year | 2022-01-01 | $56,824,326 |
| Value of total assets at beginning of year | 2022-01-01 | $67,197,847 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $35,601 |
| Total income from rents | 2022-01-01 | $0 |
| Total interest from all sources | 2022-01-01 | $59,521 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $1,725,602 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-01-01 | $1,725,602 |
| Assets. Real estate other than employer real property at end of year | 2022-01-01 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2022-01-01 | $0 |
| Administrative expenses professional fees incurred | 2022-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-01-01 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-01-01 | $0 |
| Was this plan covered by a fidelity bond | 2022-01-01 | Yes |
| Value of fidelity bond cover | 2022-01-01 | $5,000,000 |
| If this is an individual account plan, was there a blackout period | 2022-01-01 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2022-01-01 | No |
| Contributions received from participants | 2022-01-01 | $4,509,755 |
| Participant contributions at end of year | 2022-01-01 | $135,222 |
| Participant contributions at beginning of year | 2022-01-01 | $100,212 |
| Participant contributions at end of year | 2022-01-01 | $0 |
| Participant contributions at beginning of year | 2022-01-01 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-01-01 | $201,870 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2022-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $0 |
| Assets. Loans (other than to participants) at end of year | 2022-01-01 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2022-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $0 |
| Other income not declared elsewhere | 2022-01-01 | $0 |
| Administrative expenses (other) incurred | 2022-01-01 | $27,971 |
| Liabilities. Value of operating payables at end of year | 2022-01-01 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2022-01-01 | $0 |
| Total non interest bearing cash at end of year | 2022-01-01 | $0 |
| Total non interest bearing cash at beginning of year | 2022-01-01 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Income. Non cash contributions | 2022-01-01 | $0 |
| Value of net income/loss | 2022-01-01 | $-10,373,521 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $56,824,326 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $67,197,847 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2022-01-01 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2022-01-01 | $0 |
| Investment advisory and management fees | 2022-01-01 | $7,630 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-01-01 | $53,203,917 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-01-01 | $64,394,860 |
| Value of interest in pooled separate accounts at end of year | 2022-01-01 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2022-01-01 | $0 |
| Interest on participant loans | 2022-01-01 | $5,457 |
| Income. Interest from loans (other than to participants) | 2022-01-01 | $0 |
| Interest earned on other investments | 2022-01-01 | $0 |
| Income. Interest from US Government securities | 2022-01-01 | $0 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $0 |
| Value of interest in master investment trust accounts at end of year | 2022-01-01 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2022-01-01 | $0 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $3,485,187 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $54,064 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-01-01 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2022-01-01 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-01-01 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-01-01 | $0 |
| Asset value of US Government securities at end of year | 2022-01-01 | $0 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-01-01 | $-14,888,364 |
| Net investment gain/loss from pooled separate accounts | 2022-01-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $0 |
| Net gain/loss from 103.12 investment entities | 2022-01-01 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-01-01 | No |
| Was there a failure to transmit to the plan any participant contributions | 2022-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-01-01 | No |
| Assets. Invements in employer securities at end of year | 2022-01-01 | $0 |
| Assets. Invements in employer securities at beginning of year | 2022-01-01 | $0 |
| Assets. Value of employer real property at end of year | 2022-01-01 | $0 |
| Assets. Value of employer real property at beginning of year | 2022-01-01 | $0 |
| Contributions received in cash from employer | 2022-01-01 | $1,304,677 |
| Employer contributions (assets) at end of year | 2022-01-01 | $0 |
| Employer contributions (assets) at beginning of year | 2022-01-01 | $0 |
| Income. Dividends from preferred stock | 2022-01-01 | $0 |
| Income. Dividends from common stock | 2022-01-01 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-01-01 | $3,264,415 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $0 |
| Contract administrator fees | 2022-01-01 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2022-01-01 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-01-01 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-01-01 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2022-01-01 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2022-01-01 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2022-01-01 | $0 |
| Did the plan have assets held for investment | 2022-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-01-01 | No |
| Aggregate proceeds on sale of assets | 2022-01-01 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-01-01 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-01-01 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2022-01-01 | 1 |
| Accountancy firm name | 2022-01-01 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2022-01-01 | 941341042 |
| 2021 : PDF SOLUTIONS, INC. 401(K) PLAN 2021 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2021-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $0 |
| Total transfer of assets to this plan | 2021-12-31 | $0 |
| Total transfer of assets from this plan | 2021-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Expenses. Interest paid | 2021-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $16,993,336 |
| Total loss/gain on sale of assets | 2021-12-31 | $0 |
| Total of all expenses incurred | 2021-12-31 | $5,449,396 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $5,414,021 |
| Expenses. Certain deemed distributions of participant loans | 2021-12-31 | $0 |
| Value of total corrective distributions | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $7,699,469 |
| Value of total assets at end of year | 2021-12-31 | $67,197,847 |
| Value of total assets at beginning of year | 2021-12-31 | $55,653,907 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $35,375 |
| Total income from rents | 2021-12-31 | $0 |
| Total interest from all sources | 2021-12-31 | $5,177 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $3,485,685 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $3,485,685 |
| Assets. Real estate other than employer real property at end of year | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2021-12-31 | $0 |
| Administrative expenses professional fees incurred | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2021-12-31 | Yes |
| Value of fidelity bond cover | 2021-12-31 | $5,000,000 |
| If this is an individual account plan, was there a blackout period | 2021-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Contributions received from participants | 2021-12-31 | $4,393,132 |
| Participant contributions at end of year | 2021-12-31 | $100,212 |
| Participant contributions at beginning of year | 2021-12-31 | $56,305 |
| Participant contributions at end of year | 2021-12-31 | $0 |
| Participant contributions at beginning of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2021-12-31 | $3,306,337 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $0 |
| Other income not declared elsewhere | 2021-12-31 | $0 |
| Administrative expenses (other) incurred | 2021-12-31 | $27,181 |
| Liabilities. Value of operating payables at end of year | 2021-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2021-12-31 | $0 |
| Total non interest bearing cash at end of year | 2021-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Income. Non cash contributions | 2021-12-31 | $0 |
| Value of net income/loss | 2021-12-31 | $11,543,940 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $67,197,847 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $55,653,907 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2021-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2021-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2021-12-31 | $0 |
| Investment advisory and management fees | 2021-12-31 | $8,194 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $64,394,860 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $53,352,590 |
| Value of interest in pooled separate accounts at end of year | 2021-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2021-12-31 | $0 |
| Interest on participant loans | 2021-12-31 | $4,905 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $0 |
| Income. Interest from US Government securities | 2021-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2021-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $2,702,775 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $2,245,012 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $2,245,012 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $272 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2021-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2021-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2021-12-31 | $0 |
| Asset value of US Government securities at end of year | 2021-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $5,803,005 |
| Net investment gain/loss from pooled separate accounts | 2021-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2021-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2021-12-31 | Yes |
| Has the plan failed to provide any benefit when due under the plan | 2021-12-31 | No |
| Assets. Invements in employer securities at end of year | 2021-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2021-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2021-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2021-12-31 | $0 |
| Contributions received in cash from employer | 2021-12-31 | $0 |
| Employer contributions (assets) at end of year | 2021-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2021-12-31 | $0 |
| Income. Dividends from preferred stock | 2021-12-31 | $0 |
| Income. Dividends from common stock | 2021-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2021-12-31 | $5,414,021 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $0 |
| Contract administrator fees | 2021-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2021-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2021-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2021-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2021-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2021-12-31 | $0 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2021-12-31 | No |
| Aggregate proceeds on sale of assets | 2021-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2021-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2021-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2021-12-31 | Unqualified |
| Accountancy firm name | 2021-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2021-12-31 | 941341042 |
| 2020 : PDF SOLUTIONS, INC. 401(K) PLAN 2020 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2020-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $0 |
| Total transfer of assets to this plan | 2020-12-31 | $0 |
| Total transfer of assets from this plan | 2020-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Expenses. Interest paid | 2020-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2020-12-31 | $0 |
| Total income from all sources (including contributions) | 2020-12-31 | $14,273,801 |
| Total loss/gain on sale of assets | 2020-12-31 | $0 |
| Total of all expenses incurred | 2020-12-31 | $1,048,847 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $1,008,990 |
| Expenses. Certain deemed distributions of participant loans | 2020-12-31 | $0 |
| Value of total corrective distributions | 2020-12-31 | $18,788 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $3,613,565 |
| Value of total assets at end of year | 2020-12-31 | $55,653,907 |
| Value of total assets at beginning of year | 2020-12-31 | $42,428,953 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $21,069 |
| Total income from rents | 2020-12-31 | $0 |
| Total interest from all sources | 2020-12-31 | $13,788 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $1,472,487 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $1,472,487 |
| Assets. Real estate other than employer real property at end of year | 2020-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2020-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2020-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2020-12-31 | Yes |
| Value of fidelity bond cover | 2020-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2020-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Contributions received from participants | 2020-12-31 | $2,741,932 |
| Participant contributions at end of year | 2020-12-31 | $56,305 |
| Participant contributions at beginning of year | 2020-12-31 | $89,212 |
| Participant contributions at end of year | 2020-12-31 | $0 |
| Participant contributions at beginning of year | 2020-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2020-12-31 | $871,633 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2020-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2020-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2020-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $0 |
| Other income not declared elsewhere | 2020-12-31 | $0 |
| Administrative expenses (other) incurred | 2020-12-31 | $19,027 |
| Liabilities. Value of operating payables at end of year | 2020-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2020-12-31 | $0 |
| Total non interest bearing cash at end of year | 2020-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Income. Non cash contributions | 2020-12-31 | $0 |
| Value of net income/loss | 2020-12-31 | $13,224,954 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $55,653,907 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $42,428,953 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2020-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2020-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2020-12-31 | $0 |
| Investment advisory and management fees | 2020-12-31 | $2,042 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $53,352,590 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $40,354,976 |
| Value of interest in pooled separate accounts at end of year | 2020-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2020-12-31 | $0 |
| Interest on participant loans | 2020-12-31 | $4,040 |
| Income. Interest from loans (other than to participants) | 2020-12-31 | $0 |
| Interest earned on other investments | 2020-12-31 | $0 |
| Income. Interest from US Government securities | 2020-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2020-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2020-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $2,245,012 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $1,984,765 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $1,984,765 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $9,748 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2020-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2020-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2020-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2020-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2020-12-31 | $0 |
| Asset value of US Government securities at end of year | 2020-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $9,173,961 |
| Net investment gain/loss from pooled separate accounts | 2020-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2020-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2020-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2020-12-31 | No |
| Assets. Invements in employer securities at end of year | 2020-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2020-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2020-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2020-12-31 | $0 |
| Contributions received in cash from employer | 2020-12-31 | $0 |
| Employer contributions (assets) at end of year | 2020-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2020-12-31 | $0 |
| Income. Dividends from preferred stock | 2020-12-31 | $0 |
| Income. Dividends from common stock | 2020-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2020-12-31 | $1,008,990 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $0 |
| Contract administrator fees | 2020-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2020-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2020-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2020-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2020-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2020-12-31 | $0 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2020-12-31 | No |
| Aggregate proceeds on sale of assets | 2020-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2020-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2020-12-31 | $0 |
| Opinion of an independent qualified public accountant for this plan | 2020-12-31 | Disclaimer |
| Accountancy firm name | 2020-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2020-12-31 | 941341042 |
| 2019 : PDF SOLUTIONS, INC. 401(K) PLAN 2019 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2019-12-31 | $0 |
| Unrealized appreciation/depreciation of real estate assets | 2019-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $0 |
| Total transfer of assets to this plan | 2019-12-31 | $0 |
| Total transfer of assets to this plan | 2019-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Expenses. Interest paid | 2019-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2019-12-31 | $0 |
| Expenses. Interest paid | 2019-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2019-12-31 | $0 |
| Total income from all sources (including contributions) | 2019-12-31 | $11,452,493 |
| Total income from all sources (including contributions) | 2019-12-31 | $11,452,493 |
| Total loss/gain on sale of assets | 2019-12-31 | $0 |
| Total loss/gain on sale of assets | 2019-12-31 | $0 |
| Total of all expenses incurred | 2019-12-31 | $3,148,928 |
| Total of all expenses incurred | 2019-12-31 | $3,148,928 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $3,147,907 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $3,147,907 |
| Expenses. Certain deemed distributions of participant loans | 2019-12-31 | $0 |
| Expenses. Certain deemed distributions of participant loans | 2019-12-31 | $0 |
| Value of total corrective distributions | 2019-12-31 | $0 |
| Value of total corrective distributions | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $2,826,076 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $2,826,076 |
| Value of total assets at end of year | 2019-12-31 | $42,428,953 |
| Value of total assets at end of year | 2019-12-31 | $42,428,953 |
| Value of total assets at beginning of year | 2019-12-31 | $34,125,388 |
| Value of total assets at beginning of year | 2019-12-31 | $34,125,388 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $1,021 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $1,021 |
| Total income from rents | 2019-12-31 | $0 |
| Total income from rents | 2019-12-31 | $0 |
| Total interest from all sources | 2019-12-31 | $52,052 |
| Total interest from all sources | 2019-12-31 | $52,052 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $2,170,875 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $2,170,875 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $2,170,875 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $2,170,875 |
| Assets. Real estate other than employer real property at end of year | 2019-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2019-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $0 |
| Administrative expenses professional fees incurred | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2019-12-31 | Yes |
| Was this plan covered by a fidelity bond | 2019-12-31 | Yes |
| Value of fidelity bond cover | 2019-12-31 | $500,000 |
| Value of fidelity bond cover | 2019-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2019-12-31 | No |
| If this is an individual account plan, was there a blackout period | 2019-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Contributions received from participants | 2019-12-31 | $2,685,099 |
| Contributions received from participants | 2019-12-31 | $2,685,099 |
| Participant contributions at end of year | 2019-12-31 | $89,212 |
| Participant contributions at end of year | 2019-12-31 | $89,212 |
| Participant contributions at beginning of year | 2019-12-31 | $63,947 |
| Participant contributions at end of year | 2019-12-31 | $0 |
| Participant contributions at end of year | 2019-12-31 | $0 |
| Participant contributions at beginning of year | 2019-12-31 | $0 |
| Participant contributions at beginning of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2019-12-31 | $140,977 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2019-12-31 | $140,977 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2019-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2019-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $0 |
| Other income not declared elsewhere | 2019-12-31 | $6,546 |
| Other income not declared elsewhere | 2019-12-31 | $6,546 |
| Administrative expenses (other) incurred | 2019-12-31 | $1,021 |
| Administrative expenses (other) incurred | 2019-12-31 | $1,021 |
| Liabilities. Value of operating payables at end of year | 2019-12-31 | $0 |
| Liabilities. Value of operating payables at end of year | 2019-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2019-12-31 | $0 |
| Total non interest bearing cash at end of year | 2019-12-31 | $0 |
| Total non interest bearing cash at end of year | 2019-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Income. Non cash contributions | 2019-12-31 | $0 |
| Income. Non cash contributions | 2019-12-31 | $0 |
| Value of net income/loss | 2019-12-31 | $8,303,565 |
| Value of net income/loss | 2019-12-31 | $8,303,565 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $42,428,953 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $42,428,953 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $34,125,388 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $34,125,388 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2019-12-31 | No |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2019-12-31 | $0 |
| Assets. partnership/joint venture interests at end of year | 2019-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2019-12-31 | $0 |
| Investment advisory and management fees | 2019-12-31 | $0 |
| Investment advisory and management fees | 2019-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $40,354,976 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $40,354,976 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $31,901,436 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $31,901,436 |
| Value of interest in pooled separate accounts at end of year | 2019-12-31 | $0 |
| Value of interest in pooled separate accounts at end of year | 2019-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2019-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2019-12-31 | $0 |
| Interest on participant loans | 2019-12-31 | $2,811 |
| Interest on participant loans | 2019-12-31 | $2,811 |
| Income. Interest from loans (other than to participants) | 2019-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2019-12-31 | $0 |
| Interest earned on other investments | 2019-12-31 | $0 |
| Interest earned on other investments | 2019-12-31 | $0 |
| Income. Interest from US Government securities | 2019-12-31 | $0 |
| Income. Interest from US Government securities | 2019-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,984,765 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $1,984,765 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $2,160,005 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $2,160,005 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $2,160,005 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $2,160,005 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $49,241 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $49,241 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2019-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2019-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2019-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2019-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2019-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2019-12-31 | $0 |
| Asset value of US Government securities at end of year | 2019-12-31 | $0 |
| Asset value of US Government securities at end of year | 2019-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $6,396,944 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $6,396,944 |
| Net investment gain/loss from pooled separate accounts | 2019-12-31 | $0 |
| Net investment gain/loss from pooled separate accounts | 2019-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2019-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2019-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | No |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Assets. Invements in employer securities at end of year | 2019-12-31 | $0 |
| Assets. Invements in employer securities at end of year | 2019-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2019-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2019-12-31 | $0 |
| Contributions received in cash from employer | 2019-12-31 | $0 |
| Contributions received in cash from employer | 2019-12-31 | $0 |
| Employer contributions (assets) at end of year | 2019-12-31 | $0 |
| Employer contributions (assets) at end of year | 2019-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2019-12-31 | $0 |
| Income. Dividends from preferred stock | 2019-12-31 | $0 |
| Income. Dividends from preferred stock | 2019-12-31 | $0 |
| Income. Dividends from common stock | 2019-12-31 | $0 |
| Income. Dividends from common stock | 2019-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $3,147,907 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $3,147,907 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $0 |
| Contract administrator fees | 2019-12-31 | $0 |
| Contract administrator fees | 2019-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2019-12-31 | No |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2019-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2019-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2019-12-31 | $0 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2019-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2019-12-31 | No |
| Aggregate proceeds on sale of assets | 2019-12-31 | $0 |
| Aggregate proceeds on sale of assets | 2019-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2019-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2019-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | Yes |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Disclaimer |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Disclaimer |
| Accountancy firm name | 2019-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm name | 2019-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2019-12-31 | 941341042 |
| Accountancy firm EIN | 2019-12-31 | 941341042 |
| 2018 : PDF SOLUTIONS, INC. 401(K) PLAN 2018 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2018-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $0 |
| Total transfer of assets to this plan | 2018-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Expenses. Interest paid | 2018-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2018-12-31 | $0 |
| Total income from all sources (including contributions) | 2018-12-31 | $1,131,259 |
| Total loss/gain on sale of assets | 2018-12-31 | $0 |
| Total of all expenses incurred | 2018-12-31 | $2,013,839 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $2,008,852 |
| Expenses. Certain deemed distributions of participant loans | 2018-12-31 | $0 |
| Value of total corrective distributions | 2018-12-31 | $2,675 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $2,770,810 |
| Value of total assets at end of year | 2018-12-31 | $34,125,388 |
| Value of total assets at beginning of year | 2018-12-31 | $35,007,968 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $2,312 |
| Total income from rents | 2018-12-31 | $0 |
| Total interest from all sources | 2018-12-31 | $36,430 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $2,027,105 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2018-12-31 | $2,027,105 |
| Assets. Real estate other than employer real property at end of year | 2018-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2018-12-31 | $0 |
| Administrative expenses professional fees incurred | 2018-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2018-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2018-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2018-12-31 | Yes |
| Value of fidelity bond cover | 2018-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2018-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Contributions received from participants | 2018-12-31 | $2,764,219 |
| Participant contributions at end of year | 2018-12-31 | $63,947 |
| Participant contributions at beginning of year | 2018-12-31 | $87,197 |
| Participant contributions at end of year | 2018-12-31 | $0 |
| Participant contributions at beginning of year | 2018-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2018-12-31 | $6,591 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2018-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2018-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2018-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $0 |
| Other income not declared elsewhere | 2018-12-31 | $6,482 |
| Administrative expenses (other) incurred | 2018-12-31 | $2,312 |
| Liabilities. Value of operating payables at end of year | 2018-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2018-12-31 | $0 |
| Total non interest bearing cash at end of year | 2018-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Income. Non cash contributions | 2018-12-31 | $0 |
| Value of net income/loss | 2018-12-31 | $-882,580 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $34,125,388 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $35,007,968 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2018-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2018-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2018-12-31 | $0 |
| Investment advisory and management fees | 2018-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $31,901,436 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $32,071,539 |
| Value of interest in pooled separate accounts at end of year | 2018-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2018-12-31 | $0 |
| Interest on participant loans | 2018-12-31 | $3,599 |
| Income. Interest from loans (other than to participants) | 2018-12-31 | $0 |
| Interest earned on other investments | 2018-12-31 | $0 |
| Income. Interest from US Government securities | 2018-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2018-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2018-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $2,160,005 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $2,849,232 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $2,849,232 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $32,831 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2018-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2018-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2018-12-31 | $0 |
| Asset value of US Government securities at end of year | 2018-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $-3,709,568 |
| Net investment gain/loss from pooled separate accounts | 2018-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2018-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2018-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2018-12-31 | No |
| Assets. Invements in employer securities at end of year | 2018-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2018-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2018-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2018-12-31 | $0 |
| Contributions received in cash from employer | 2018-12-31 | $0 |
| Employer contributions (assets) at end of year | 2018-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2018-12-31 | $0 |
| Income. Dividends from preferred stock | 2018-12-31 | $0 |
| Income. Dividends from common stock | 2018-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2018-12-31 | $2,008,852 |
| Asset. Corporate debt instrument preferred debt at end of year | 2018-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2018-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $0 |
| Contract administrator fees | 2018-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2018-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2018-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2018-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2018-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2018-12-31 | $0 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2018-12-31 | No |
| Aggregate proceeds on sale of assets | 2018-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2018-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2018-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2018-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2018-12-31 | Disclaimer |
| Accountancy firm name | 2018-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2018-12-31 | 941341042 |
| 2017 : PDF SOLUTIONS, INC. 401(K) PLAN 2017 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2017-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $0 |
| Total transfer of assets to this plan | 2017-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Expenses. Interest paid | 2017-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $8,679,894 |
| Total loss/gain on sale of assets | 2017-12-31 | $0 |
| Total of all expenses incurred | 2017-12-31 | $2,556,714 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $2,538,374 |
| Expenses. Certain deemed distributions of participant loans | 2017-12-31 | $0 |
| Value of total corrective distributions | 2017-12-31 | $18,140 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $2,785,656 |
| Value of total assets at end of year | 2017-12-31 | $35,007,968 |
| Value of total assets at beginning of year | 2017-12-31 | $28,884,788 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $200 |
| Total income from rents | 2017-12-31 | $0 |
| Total interest from all sources | 2017-12-31 | $14,314 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $1,317,638 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2017-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-12-31 | $1,317,638 |
| Assets. Real estate other than employer real property at end of year | 2017-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2017-12-31 | $0 |
| Administrative expenses professional fees incurred | 2017-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2017-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2017-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2017-12-31 | Yes |
| Value of fidelity bond cover | 2017-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2017-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Contributions received from participants | 2017-12-31 | $2,785,656 |
| Participant contributions at end of year | 2017-12-31 | $87,197 |
| Participant contributions at beginning of year | 2017-12-31 | $86,998 |
| Participant contributions at end of year | 2017-12-31 | $0 |
| Participant contributions at beginning of year | 2017-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2017-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2017-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2017-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2017-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $0 |
| Other income not declared elsewhere | 2017-12-31 | $4,329 |
| Administrative expenses (other) incurred | 2017-12-31 | $200 |
| Liabilities. Value of operating payables at end of year | 2017-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2017-12-31 | $0 |
| Total non interest bearing cash at end of year | 2017-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Income. Non cash contributions | 2017-12-31 | $0 |
| Value of net income/loss | 2017-12-31 | $6,123,180 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $35,007,968 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $28,884,788 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2017-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2017-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2017-12-31 | $0 |
| Investment advisory and management fees | 2017-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-12-31 | $32,071,539 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $27,379,553 |
| Value of interest in pooled separate accounts at end of year | 2017-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2017-12-31 | $0 |
| Interest on participant loans | 2017-12-31 | $3,760 |
| Income. Interest from loans (other than to participants) | 2017-12-31 | $0 |
| Interest earned on other investments | 2017-12-31 | $0 |
| Income. Interest from US Government securities | 2017-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2017-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2017-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $2,849,232 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $1,418,237 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $1,418,237 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $10,554 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2017-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2017-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2017-12-31 | $0 |
| Asset value of US Government securities at end of year | 2017-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $4,557,957 |
| Net investment gain/loss from pooled separate accounts | 2017-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2017-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2017-12-31 | Yes |
| Has the plan failed to provide any benefit when due under the plan | 2017-12-31 | No |
| Assets. Invements in employer securities at end of year | 2017-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2017-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2017-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2017-12-31 | $0 |
| Contributions received in cash from employer | 2017-12-31 | $0 |
| Employer contributions (assets) at end of year | 2017-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2017-12-31 | $0 |
| Income. Dividends from preferred stock | 2017-12-31 | $0 |
| Income. Dividends from common stock | 2017-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2017-12-31 | $2,538,374 |
| Asset. Corporate debt instrument preferred debt at end of year | 2017-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2017-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $0 |
| Contract administrator fees | 2017-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2017-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2017-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2017-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2017-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2017-12-31 | $0 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2017-12-31 | No |
| Aggregate proceeds on sale of assets | 2017-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2017-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2017-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2017-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2017-12-31 | Disclaimer |
| Accountancy firm name | 2017-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2017-12-31 | 941341042 |
| 2016 : PDF SOLUTIONS, INC. 401(K) PLAN 2016 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2016-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $0 |
| Total transfer of assets to this plan | 2016-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Expenses. Interest paid | 2016-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2016-12-31 | $0 |
| Total income from all sources (including contributions) | 2016-12-31 | $4,419,891 |
| Total loss/gain on sale of assets | 2016-12-31 | $0 |
| Total of all expenses incurred | 2016-12-31 | $1,104,155 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $1,103,981 |
| Expenses. Certain deemed distributions of participant loans | 2016-12-31 | $0 |
| Value of total corrective distributions | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $2,628,416 |
| Value of total assets at end of year | 2016-12-31 | $28,884,788 |
| Value of total assets at beginning of year | 2016-12-31 | $25,569,052 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $174 |
| Total income from rents | 2016-12-31 | $0 |
| Total interest from all sources | 2016-12-31 | $5,985 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $857,988 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2016-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2016-12-31 | $857,988 |
| Assets. Real estate other than employer real property at end of year | 2016-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2016-12-31 | $0 |
| Administrative expenses professional fees incurred | 2016-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2016-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2016-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2016-12-31 | Yes |
| Value of fidelity bond cover | 2016-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2016-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Contributions received from participants | 2016-12-31 | $2,445,109 |
| Participant contributions at end of year | 2016-12-31 | $86,998 |
| Participant contributions at beginning of year | 2016-12-31 | $121,057 |
| Participant contributions at end of year | 2016-12-31 | $0 |
| Participant contributions at beginning of year | 2016-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2016-12-31 | $183,307 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2016-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2016-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2016-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $0 |
| Other income not declared elsewhere | 2016-12-31 | $4,225 |
| Administrative expenses (other) incurred | 2016-12-31 | $174 |
| Liabilities. Value of operating payables at end of year | 2016-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2016-12-31 | $0 |
| Total non interest bearing cash at end of year | 2016-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Income. Non cash contributions | 2016-12-31 | $0 |
| Value of net income/loss | 2016-12-31 | $3,315,736 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $28,884,788 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $25,569,052 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2016-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2016-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2016-12-31 | $0 |
| Investment advisory and management fees | 2016-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $27,379,553 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $24,344,626 |
| Value of interest in pooled separate accounts at end of year | 2016-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2016-12-31 | $0 |
| Interest on participant loans | 2016-12-31 | $5,322 |
| Income. Interest from loans (other than to participants) | 2016-12-31 | $0 |
| Interest earned on other investments | 2016-12-31 | $0 |
| Income. Interest from US Government securities | 2016-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2016-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2016-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $1,418,237 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $1,103,369 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $1,103,369 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $663 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2016-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2016-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2016-12-31 | $0 |
| Asset value of US Government securities at end of year | 2016-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $923,277 |
| Net investment gain/loss from pooled separate accounts | 2016-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2016-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2016-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2016-12-31 | No |
| Assets. Invements in employer securities at end of year | 2016-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2016-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2016-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2016-12-31 | $0 |
| Contributions received in cash from employer | 2016-12-31 | $0 |
| Employer contributions (assets) at end of year | 2016-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2016-12-31 | $0 |
| Income. Dividends from preferred stock | 2016-12-31 | $0 |
| Income. Dividends from common stock | 2016-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2016-12-31 | $1,103,981 |
| Asset. Corporate debt instrument preferred debt at end of year | 2016-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2016-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $0 |
| Contract administrator fees | 2016-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2016-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2016-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2016-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2016-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2016-12-31 | $0 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2016-12-31 | No |
| Aggregate proceeds on sale of assets | 2016-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2016-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2016-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2016-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2016-12-31 | Disclaimer |
| Accountancy firm name | 2016-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2016-12-31 | 941341042 |
| 2015 : PDF SOLUTIONS, INC. 401(K) PLAN 2015 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2015-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $0 |
| Total transfer of assets to this plan | 2015-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $0 |
| Expenses. Interest paid | 2015-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2015-12-31 | $0 |
| Total income from all sources (including contributions) | 2015-12-31 | $2,253,941 |
| Total loss/gain on sale of assets | 2015-12-31 | $0 |
| Total of all expenses incurred | 2015-12-31 | $662,387 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $661,661 |
| Expenses. Certain deemed distributions of participant loans | 2015-12-31 | $0 |
| Value of total corrective distributions | 2015-12-31 | $476 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $1,976,805 |
| Value of total assets at end of year | 2015-12-31 | $25,569,052 |
| Value of total assets at beginning of year | 2015-12-31 | $23,977,498 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $250 |
| Total income from rents | 2015-12-31 | $0 |
| Total interest from all sources | 2015-12-31 | $5,135 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $1,120,573 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2015-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2015-12-31 | $1,120,573 |
| Assets. Real estate other than employer real property at end of year | 2015-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2015-12-31 | $0 |
| Administrative expenses professional fees incurred | 2015-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2015-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2015-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2015-12-31 | Yes |
| Value of fidelity bond cover | 2015-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2015-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Contributions received from participants | 2015-12-31 | $1,923,739 |
| Participant contributions at end of year | 2015-12-31 | $121,057 |
| Participant contributions at beginning of year | 2015-12-31 | $85,200 |
| Participant contributions at end of year | 2015-12-31 | $0 |
| Participant contributions at beginning of year | 2015-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2015-12-31 | $53,066 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2015-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2015-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2015-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $0 |
| Other income not declared elsewhere | 2015-12-31 | $0 |
| Administrative expenses (other) incurred | 2015-12-31 | $250 |
| Liabilities. Value of operating payables at end of year | 2015-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2015-12-31 | $0 |
| Total non interest bearing cash at end of year | 2015-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2015-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Income. Non cash contributions | 2015-12-31 | $0 |
| Value of net income/loss | 2015-12-31 | $1,591,554 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $25,569,052 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $23,977,498 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2015-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2015-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2015-12-31 | $0 |
| Investment advisory and management fees | 2015-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2015-12-31 | $24,344,626 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $22,568,454 |
| Value of interest in pooled separate accounts at end of year | 2015-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2015-12-31 | $0 |
| Interest on participant loans | 2015-12-31 | $4,968 |
| Income. Interest from loans (other than to participants) | 2015-12-31 | $0 |
| Interest earned on other investments | 2015-12-31 | $0 |
| Income. Interest from US Government securities | 2015-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2015-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2015-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $1,103,369 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $1,323,844 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $1,323,844 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $167 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2015-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2015-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2015-12-31 | $0 |
| Asset value of US Government securities at end of year | 2015-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $-848,572 |
| Net investment gain/loss from pooled separate accounts | 2015-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2015-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2015-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2015-12-31 | No |
| Assets. Invements in employer securities at end of year | 2015-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2015-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2015-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2015-12-31 | $0 |
| Contributions received in cash from employer | 2015-12-31 | $0 |
| Employer contributions (assets) at end of year | 2015-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2015-12-31 | $0 |
| Income. Dividends from preferred stock | 2015-12-31 | $0 |
| Income. Dividends from common stock | 2015-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2015-12-31 | $661,661 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $0 |
| Contract administrator fees | 2015-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2015-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2015-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2015-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2015-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2015-12-31 | $0 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2015-12-31 | No |
| Aggregate proceeds on sale of assets | 2015-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2015-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2015-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2015-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2015-12-31 | Disclaimer |
| Accountancy firm name | 2015-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2015-12-31 | 941341042 |
| 2014 : PDF SOLUTIONS, INC. 401(K) PLAN 2014 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2014-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $0 |
| Total transfer of assets to this plan | 2014-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Expenses. Interest paid | 2014-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2014-12-31 | $0 |
| Total income from all sources (including contributions) | 2014-12-31 | $3,482,206 |
| Total loss/gain on sale of assets | 2014-12-31 | $0 |
| Total of all expenses incurred | 2014-12-31 | $756,634 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $756,314 |
| Expenses. Certain deemed distributions of participant loans | 2014-12-31 | $0 |
| Value of total corrective distributions | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $1,825,048 |
| Value of total assets at end of year | 2014-12-31 | $23,977,498 |
| Value of total assets at beginning of year | 2014-12-31 | $21,251,926 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $320 |
| Total income from rents | 2014-12-31 | $0 |
| Total interest from all sources | 2014-12-31 | $5,842 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $1,011,838 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2014-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2014-12-31 | $1,011,838 |
| Assets. Real estate other than employer real property at end of year | 2014-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2014-12-31 | $0 |
| Administrative expenses professional fees incurred | 2014-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2014-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2014-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2014-12-31 | Yes |
| Value of fidelity bond cover | 2014-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2014-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Contributions received from participants | 2014-12-31 | $1,809,940 |
| Participant contributions at end of year | 2014-12-31 | $85,200 |
| Participant contributions at beginning of year | 2014-12-31 | $78,327 |
| Participant contributions at end of year | 2014-12-31 | $0 |
| Participant contributions at beginning of year | 2014-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2014-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2014-12-31 | $13,389 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2014-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2014-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2014-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $0 |
| Other income not declared elsewhere | 2014-12-31 | $0 |
| Administrative expenses (other) incurred | 2014-12-31 | $320 |
| Liabilities. Value of operating payables at end of year | 2014-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2014-12-31 | $0 |
| Total non interest bearing cash at end of year | 2014-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2014-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Income. Non cash contributions | 2014-12-31 | $0 |
| Value of net income/loss | 2014-12-31 | $2,725,572 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $23,977,498 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $21,251,926 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2014-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2014-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2014-12-31 | $0 |
| Investment advisory and management fees | 2014-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $22,568,454 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $19,320,392 |
| Value of interest in pooled separate accounts at end of year | 2014-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2014-12-31 | $0 |
| Interest on participant loans | 2014-12-31 | $5,704 |
| Income. Interest from loans (other than to participants) | 2014-12-31 | $0 |
| Interest earned on other investments | 2014-12-31 | $0 |
| Income. Interest from US Government securities | 2014-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2014-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2014-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $1,323,844 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $1,853,207 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $1,853,207 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $138 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2014-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2014-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2014-12-31 | $0 |
| Asset value of US Government securities at end of year | 2014-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $639,478 |
| Net investment gain/loss from pooled separate accounts | 2014-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2014-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2014-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2014-12-31 | No |
| Assets. Invements in employer securities at end of year | 2014-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2014-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2014-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2014-12-31 | $0 |
| Contributions received in cash from employer | 2014-12-31 | $1,719 |
| Employer contributions (assets) at end of year | 2014-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2014-12-31 | $0 |
| Income. Dividends from preferred stock | 2014-12-31 | $0 |
| Income. Dividends from common stock | 2014-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2014-12-31 | $756,314 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $0 |
| Contract administrator fees | 2014-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2014-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2014-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2014-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2014-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2014-12-31 | $0 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2014-12-31 | No |
| Aggregate proceeds on sale of assets | 2014-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2014-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2014-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2014-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2014-12-31 | Disclaimer |
| Accountancy firm name | 2014-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2014-12-31 | 941341042 |
| 2013 : PDF SOLUTIONS, INC. 401(K) PLAN 2013 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2013-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $0 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $0 |
| Total transfer of assets to this plan | 2013-12-31 | $0 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Expenses. Interest paid | 2013-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2013-12-31 | $0 |
| Total income from all sources (including contributions) | 2013-12-31 | $5,882,526 |
| Total loss/gain on sale of assets | 2013-12-31 | $0 |
| Total of all expenses incurred | 2013-12-31 | $1,596,026 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $1,591,803 |
| Expenses. Certain deemed distributions of participant loans | 2013-12-31 | $0 |
| Value of total corrective distributions | 2013-12-31 | $4,073 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $1,832,437 |
| Value of total assets at end of year | 2013-12-31 | $21,251,926 |
| Value of total assets at beginning of year | 2013-12-31 | $16,965,426 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $150 |
| Total income from rents | 2013-12-31 | $0 |
| Total interest from all sources | 2013-12-31 | $12,857 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $800,104 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2013-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2013-12-31 | $800,104 |
| Assets. Real estate other than employer real property at end of year | 2013-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2013-12-31 | $0 |
| Administrative expenses professional fees incurred | 2013-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2013-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2013-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2013-12-31 | Yes |
| Value of fidelity bond cover | 2013-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2013-12-31 | No |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Contributions received from participants | 2013-12-31 | $1,813,935 |
| Participant contributions at end of year | 2013-12-31 | $78,327 |
| Participant contributions at beginning of year | 2013-12-31 | $123,974 |
| Participant contributions at end of year | 2013-12-31 | $0 |
| Participant contributions at beginning of year | 2013-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2013-12-31 | $18,502 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2013-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $0 |
| Assets. Loans (other than to participants) at end of year | 2013-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2013-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $0 |
| Other income not declared elsewhere | 2013-12-31 | $0 |
| Administrative expenses (other) incurred | 2013-12-31 | $150 |
| Liabilities. Value of operating payables at end of year | 2013-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2013-12-31 | $0 |
| Total non interest bearing cash at end of year | 2013-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2013-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Income. Non cash contributions | 2013-12-31 | $0 |
| Value of net income/loss | 2013-12-31 | $4,286,500 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $21,251,926 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $16,965,426 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2013-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2013-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2013-12-31 | $0 |
| Investment advisory and management fees | 2013-12-31 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $19,320,392 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $15,309,758 |
| Value of interest in pooled separate accounts at end of year | 2013-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2013-12-31 | $0 |
| Interest on participant loans | 2013-12-31 | $12,673 |
| Income. Interest from loans (other than to participants) | 2013-12-31 | $0 |
| Interest earned on other investments | 2013-12-31 | $0 |
| Income. Interest from US Government securities | 2013-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2013-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2013-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $1,853,207 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $1,531,694 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $1,531,694 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $184 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2013-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2013-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2013-12-31 | $0 |
| Asset value of US Government securities at end of year | 2013-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $3,237,128 |
| Net investment gain/loss from pooled separate accounts | 2013-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2013-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2013-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2013-12-31 | No |
| Assets. Invements in employer securities at end of year | 2013-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2013-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2013-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2013-12-31 | $0 |
| Contributions received in cash from employer | 2013-12-31 | $0 |
| Employer contributions (assets) at end of year | 2013-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2013-12-31 | $0 |
| Income. Dividends from preferred stock | 2013-12-31 | $0 |
| Income. Dividends from common stock | 2013-12-31 | $0 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2013-12-31 | $1,591,803 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $0 |
| Contract administrator fees | 2013-12-31 | $0 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2013-12-31 | No |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $0 |
| Liabilities. Value of benefit claims payable at end of year | 2013-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2013-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2013-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2013-12-31 | $0 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2013-12-31 | No |
| Aggregate proceeds on sale of assets | 2013-12-31 | $0 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at end of year | 2013-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2013-12-31 | $0 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2013-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2013-12-31 | Disclaimer |
| Accountancy firm name | 2013-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2013-12-31 | 941341042 |
| 2012 : PDF SOLUTIONS, INC. 401(K) PLAN 2012 401k financial data | ||
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total income from all sources (including contributions) | 2012-12-31 | $3,493,102 |
| Total of all expenses incurred | 2012-12-31 | $168,533 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $168,003 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $1,606,382 |
| Value of total assets at end of year | 2012-12-31 | $16,965,426 |
| Value of total assets at beginning of year | 2012-12-31 | $13,640,857 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $530 |
| Total interest from all sources | 2012-12-31 | $16,682 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $293,513 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2012-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2012-12-31 | $293,513 |
| Was this plan covered by a fidelity bond | 2012-12-31 | Yes |
| Value of fidelity bond cover | 2012-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2012-12-31 | No |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2012-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Contributions received from participants | 2012-12-31 | $1,512,349 |
| Participant contributions at end of year | 2012-12-31 | $123,974 |
| Participant contributions at beginning of year | 2012-12-31 | $134,104 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2012-12-31 | $94,033 |
| Administrative expenses (other) incurred | 2012-12-31 | $530 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Value of net income/loss | 2012-12-31 | $3,324,569 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $16,965,426 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $13,640,857 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2012-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $15,309,758 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $12,434,107 |
| Interest on participant loans | 2012-12-31 | $16,536 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $1,531,694 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $1,072,646 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $1,072,646 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $146 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $1,576,525 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2012-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2012-12-31 | No |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2012-12-31 | $168,003 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2012-12-31 | No |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2012-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2012-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2012-12-31 | Disclaimer |
| Accountancy firm name | 2012-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2012-12-31 | 941341042 |
| 2011 : PDF SOLUTIONS, INC. 401(K) PLAN 2011 401k financial data | ||
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total income from all sources (including contributions) | 2011-12-31 | $685,326 |
| Total of all expenses incurred | 2011-12-31 | $1,228,805 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $1,227,911 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $1,277,210 |
| Value of total assets at end of year | 2011-12-31 | $13,640,857 |
| Value of total assets at beginning of year | 2011-12-31 | $14,184,336 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $894 |
| Total interest from all sources | 2011-12-31 | $27,522 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $276,848 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2011-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2011-12-31 | $276,848 |
| Was this plan covered by a fidelity bond | 2011-12-31 | Yes |
| Value of fidelity bond cover | 2011-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2011-12-31 | No |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2011-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Contributions received from participants | 2011-12-31 | $1,244,333 |
| Participant contributions at end of year | 2011-12-31 | $134,104 |
| Participant contributions at beginning of year | 2011-12-31 | $212,171 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2011-12-31 | $32,877 |
| Administrative expenses (other) incurred | 2011-12-31 | $894 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Value of net income/loss | 2011-12-31 | $-543,479 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $13,640,857 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $14,184,336 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2011-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2011-12-31 | $12,434,107 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $12,970,622 |
| Interest on participant loans | 2011-12-31 | $27,408 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $1,072,646 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $1,001,543 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $1,001,543 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $114 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $-896,254 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2011-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2011-12-31 | No |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2011-12-31 | $1,227,911 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2011-12-31 | No |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2011-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2011-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2011-12-31 | Disclaimer |
| Accountancy firm name | 2011-12-31 | FRANK, RIMERMAN CO. LLP |
| Accountancy firm EIN | 2011-12-31 | 941341042 |
| 2010 : PDF SOLUTIONS, INC. 401(K) PLAN 2010 401k financial data | ||
| Total income from all sources (including contributions) | 2010-12-31 | $2,851,276 |
| Total of all expenses incurred | 2010-12-31 | $888,770 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $888,551 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $1,232,049 |
| Value of total assets at end of year | 2010-12-31 | $14,184,336 |
| Value of total assets at beginning of year | 2010-12-31 | $12,221,830 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $219 |
| Total interest from all sources | 2010-12-31 | $32,252 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $169,326 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2010-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2010-12-31 | $169,326 |
| Was this plan covered by a fidelity bond | 2010-12-31 | Yes |
| Value of fidelity bond cover | 2010-12-31 | $500,000 |
| If this is an individual account plan, was there a blackout period | 2010-12-31 | No |
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2010-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Contributions received from participants | 2010-12-31 | $1,217,411 |
| Participant contributions at end of year | 2010-12-31 | $212,171 |
| Participant contributions at beginning of year | 2010-12-31 | $245,530 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2010-12-31 | $14,638 |
| Administrative expenses (other) incurred | 2010-12-31 | $219 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Value of net income/loss | 2010-12-31 | $1,962,506 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $14,184,336 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $12,221,830 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2010-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2010-12-31 | $12,970,622 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $11,070,133 |
| Interest on participant loans | 2010-12-31 | $32,063 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $1,001,543 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $906,167 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $906,167 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $189 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $1,417,649 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | No |
| Was there a failure to transmit to the plan any participant contributions | 2010-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2010-12-31 | No |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2010-12-31 | $888,551 |
| Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3 | 2010-12-31 | No |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2010-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2010-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2010-12-31 | Disclaimer |
| Accountancy firm name | 2010-12-31 | FRANK, RIMERMAN & CO., LLP |
| Accountancy firm EIN | 2010-12-31 | 941341042 |
| 2009 : PDF SOLUTIONS, INC. 401(K) PLAN 2009 401k financial data | ||
| Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities | 2009-12-31 | $0 |
| 2023: PDF SOLUTIONS, INC. 401(K) PLAN 2023 form 5500 responses | ||
|---|---|---|
| 2023-01-01 | Type of plan entity | Single employer plan |
| 2023-01-01 | This submission is the final filing | No |
| 2023-01-01 | Plan is a collectively bargained plan | No |
| 2023-01-01 | Plan funding arrangement – Trust | Yes |
| 2023-01-01 | Plan benefit arrangement - Trust | Yes |
| 2022: PDF SOLUTIONS, INC. 401(K) PLAN 2022 form 5500 responses | ||
| 2022-01-01 | Type of plan entity | Single employer plan |
| 2022-01-01 | Submission has been amended | No |
| 2022-01-01 | This submission is the final filing | No |
| 2022-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2022-01-01 | Plan is a collectively bargained plan | No |
| 2022-01-01 | Plan funding arrangement – Trust | Yes |
| 2022-01-01 | Plan benefit arrangement - Trust | Yes |
| 2021: PDF SOLUTIONS, INC. 401(K) PLAN 2021 form 5500 responses | ||
| 2021-01-01 | Type of plan entity | Single employer plan |
| 2021-01-01 | This submission is the final filing | No |
| 2021-01-01 | Plan is a collectively bargained plan | No |
| 2021-01-01 | Plan funding arrangement – Trust | Yes |
| 2021-01-01 | Plan benefit arrangement - Trust | Yes |
| 2020: PDF SOLUTIONS, INC. 401(K) PLAN 2020 form 5500 responses | ||
| 2020-01-01 | Type of plan entity | Single employer plan |
| 2020-01-01 | Submission has been amended | No |
| 2020-01-01 | This submission is the final filing | No |
| 2020-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2020-01-01 | Plan is a collectively bargained plan | No |
| 2020-01-01 | Plan funding arrangement – Trust | Yes |
| 2020-01-01 | Plan benefit arrangement - Trust | Yes |
| 2019: PDF SOLUTIONS, INC. 401(K) PLAN 2019 form 5500 responses | ||
| 2019-01-01 | Type of plan entity | Single employer plan |
| 2019-01-01 | Submission has been amended | No |
| 2019-01-01 | This submission is the final filing | No |
| 2019-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2019-01-01 | Plan is a collectively bargained plan | No |
| 2019-01-01 | Plan funding arrangement – Trust | Yes |
| 2019-01-01 | Plan benefit arrangement - Trust | Yes |
| 2018: PDF SOLUTIONS, INC. 401(K) PLAN 2018 form 5500 responses | ||
| 2018-01-01 | Type of plan entity | Single employer plan |
| 2018-01-01 | Submission has been amended | No |
| 2018-01-01 | This submission is the final filing | No |
| 2018-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2018-01-01 | Plan is a collectively bargained plan | No |
| 2018-01-01 | Plan funding arrangement – Trust | Yes |
| 2018-01-01 | Plan benefit arrangement - Trust | Yes |
| 2017: PDF SOLUTIONS, INC. 401(K) PLAN 2017 form 5500 responses | ||
| 2017-01-01 | Type of plan entity | Single employer plan |
| 2017-01-01 | Submission has been amended | No |
| 2017-01-01 | This submission is the final filing | No |
| 2017-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2017-01-01 | Plan is a collectively bargained plan | No |
| 2017-01-01 | Plan funding arrangement – Trust | Yes |
| 2017-01-01 | Plan benefit arrangement - Trust | Yes |
| 2016: PDF SOLUTIONS, INC. 401(K) PLAN 2016 form 5500 responses | ||
| 2016-01-01 | Type of plan entity | Single employer plan |
| 2016-01-01 | Submission has been amended | No |
| 2016-01-01 | This submission is the final filing | No |
| 2016-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2016-01-01 | Plan is a collectively bargained plan | No |
| 2016-01-01 | Plan funding arrangement – Trust | Yes |
| 2016-01-01 | Plan benefit arrangement - Trust | Yes |
| 2015: PDF SOLUTIONS, INC. 401(K) PLAN 2015 form 5500 responses | ||
| 2015-01-01 | Type of plan entity | Single employer plan |
| 2015-01-01 | Submission has been amended | No |
| 2015-01-01 | This submission is the final filing | No |
| 2015-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2015-01-01 | Plan is a collectively bargained plan | No |
| 2015-01-01 | Plan funding arrangement – Trust | Yes |
| 2015-01-01 | Plan benefit arrangement - Trust | Yes |
| 2014: PDF SOLUTIONS, INC. 401(K) PLAN 2014 form 5500 responses | ||
| 2014-01-01 | Type of plan entity | Single employer plan |
| 2014-01-01 | Submission has been amended | No |
| 2014-01-01 | This submission is the final filing | No |
| 2014-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2014-01-01 | Plan is a collectively bargained plan | No |
| 2014-01-01 | Plan funding arrangement – Trust | Yes |
| 2014-01-01 | Plan benefit arrangement - Trust | Yes |
| 2013: PDF SOLUTIONS, INC. 401(K) PLAN 2013 form 5500 responses | ||
| 2013-01-01 | Type of plan entity | Single employer plan |
| 2013-01-01 | Submission has been amended | No |
| 2013-01-01 | This submission is the final filing | No |
| 2013-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2013-01-01 | Plan is a collectively bargained plan | No |
| 2013-01-01 | Plan funding arrangement – Trust | Yes |
| 2013-01-01 | Plan benefit arrangement - Trust | Yes |
| 2012: PDF SOLUTIONS, INC. 401(K) PLAN 2012 form 5500 responses | ||
| 2012-01-01 | Type of plan entity | Single employer plan |
| 2012-01-01 | Submission has been amended | No |
| 2012-01-01 | This submission is the final filing | No |
| 2012-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2012-01-01 | Plan funding arrangement – Trust | Yes |
| 2012-01-01 | Plan benefit arrangement - Trust | Yes |
| 2011: PDF SOLUTIONS, INC. 401(K) PLAN 2011 form 5500 responses | ||
| 2011-01-01 | Type of plan entity | Single employer plan |
| 2011-01-01 | Submission has been amended | No |
| 2011-01-01 | This submission is the final filing | No |
| 2011-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2011-01-01 | Plan funding arrangement – Trust | Yes |
| 2011-01-01 | Plan benefit arrangement - Trust | Yes |
| 2010: PDF SOLUTIONS, INC. 401(K) PLAN 2010 form 5500 responses | ||
| 2010-01-01 | Type of plan entity | Single employer plan |
| 2010-01-01 | Submission has been amended | No |
| 2010-01-01 | This submission is the final filing | No |
| 2010-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2010-01-01 | Plan funding arrangement – Trust | Yes |
| 2010-01-01 | Plan benefit arrangement - Trust | Yes |
| 2009: PDF SOLUTIONS, INC. 401(K) PLAN 2009 form 5500 responses | ||
| 2009-01-01 | Type of plan entity | Single employer plan |
| 2009-01-01 | Submission has been amended | Yes |
| 2009-01-01 | This submission is the final filing | No |
| 2009-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2009-01-01 | Plan is a collectively bargained plan | No |
| 2009-01-01 | Plan funding arrangement – Trust | Yes |
| 2009-01-01 | Plan benefit arrangement - Trust | Yes |